Back to EveryPatent.com
United States Patent | 6,190,505 |
Kayser | February 20, 2001 |
An apparatus for moistening a material web, the material web having opposed edges and a marginal region at each edge, the apparatus including a moistening device adapted to cover the marginal regions of the material web, so that only the marginal regions are moistened. Also provided is a method for moistening a material web, the method including covering the marginal regions of the material web with a moistening apparatus, and moistening only the marginal regions of the material web covered by the moistening apparatus.
Inventors: | Kayser; Franz (Geldern, DE) |
Assignee: | Voith Sulzer Papiertechnik Patant GmbH (Heidenheim, DE) |
Appl. No.: | 322173 |
Filed: | May 28, 1999 |
May 29, 1998[DE] | 198 24 170 |
Current U.S. Class: | 162/204; 162/193; 162/199; 162/206; 162/289; 162/290; 162/DIG.6 |
Intern'l Class: | D21G 007/00 |
Field of Search: | 162/202,199,204,206,207,193,289-290,252,263,119,121,DIG. 6 427/284,285 34/115,114-120,611,545,79,635,455,443,451,445,60-62 239/421,545 118/316,325 |
3948721 | Apr., 1976 | Winheim | 162/119. |
4249992 | Feb., 1981 | Wells | 162/198. |
4836894 | Jun., 1989 | Chance et al. | 162/253. |
4915788 | Apr., 1990 | Winheim | 162/207. |
5221346 | Jun., 1993 | Anderson | 118/405. |
5355595 | Oct., 1994 | Koivukunnas et al. | 34/570. |
5384968 | Jan., 1995 | Grandjean | 37/79. |
5469636 | Nov., 1995 | Plomer | 34/117. |
5557860 | Sep., 1996 | Kotitschke et al. | 34/455. |
5778559 | Jul., 1998 | Winheim | 34/611. |
5914008 | Jun., 1999 | Winheim | 162/206. |
Foreign Patent Documents | |||
3741680 | Jun., 1989 | DE. | |
0609544 | Aug., 1994 | EP. |